Gramicidin Channel in Lipid Bilayer



Two copies of the gramicidin protein are shown here (restore initial scene ) arranged as they are believed to be when they form a channel through a lipid bilayer membrane. The shape of the protein is shown transparent (ghostly), and a backbone trace connecting the alpha carbon atoms of each amino acid chain is opaque (solid).

 Show only the backbone of the gramicidin protein chains.  Show a slice of the lipid bilayer. (Most hydrogen atoms are omitted.) Show water. Notice how the hydrophobic lipid &quot;tails&quot; exclude water.  Water passes through the channel.  Show <scene name='User:Eric_Martz/Sandbox_10/Hydrated_bilayer_w_gramicidin/4'>only water. </li> Show only <scene name='Gramicidin_Channel_in_Lipid_Bilayer/Two_pes_two_waters/1'>2 phospholipids and 2 waters. For an explanation of their structure, see the detailed tutorial, also disponible en espa&ntilde;ol. </li> </ul>